Description:

1-1/4 inch concave (grooved) steel rollers. Ball bearing. Unique housing installation tab design with rear adjust. 1/4-20 Threaded mounting hole on the back end and an optional use 10-32 threaded hole on the top of the housing. Housing is 1-3/16 inch wide, 1-5/16 inch tall and 1-11/16 inch long (not including the inner roller housing).